27400758523 has 2 divisors, whose sum is σ = 27400758524. Its totient is φ = 27400758522.

The previous prime is 27400758461. The next prime is 27400758529. The reversal of 27400758523 is 32585700472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27400758523 - 2¹⁷ = 27400627451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27400758523.

It is not a weakly prime, because it can be changed into another prime (27400758529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700379261 + 13700379262.

It is an arithmetic number, because the mean of its divisors is an integer number (13700379262).

Almost surely, 2^27400758523 is an apocalyptic number.

27400758523 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400758523 is an equidigital number, since it uses as much as digits as its factorization.

27400758523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 27400758523 in words is "twenty-seven billion, four hundred million, seven hundred fifty-eight thousand, five hundred twenty-three".